In the exhibit, all routers within each AS are configured for Anycast RP. All intra-AS routers are
configured within the same MSDP mesh group. Inter-AS multicast has been enabled using MSDP
without MSDP mesh groups. Which statement is true?
The AS border routers allow TCP port 636 in their infrastructure ACLs.
Duplicate SA messages may be received in AS2.
SA messages from R5, R7, or R8 are not forwarded to AS1.
Inter-AS MSDP peerings must be configured on the AS border routers.